Re: mail problem

From: fedora-user (fedora-mail_at_showtech.com.au)
Date: 10/18/04

  • Next message: Mike Klinke: "Re: mail problem" 
    Date: Mon, 18 Oct 2004 13:53:07 +1000
To: For users of Fedora Core releases <fedora-list@redhat.com>

    Sam Varshavchik wrote:

    > gm writes:
    >
    >>
    >> Hey guys,
    >>
    >> I found out that my server (FC1) has been blacklisted by some sites. I
    >> was wondering if there's a way to determine why it's been blacklist.
    >
    >
    > Yes, there is. All known public blacklist sites provide an
    > explanation, usually at the URL given in the bounce message, or
    > indirectly via their web site, after you submit your IP address.
    >
    > All you have to do give yourself sufficient motivation to go and
    > investigate the situation by yourself, instead of sitting back and
    > waiting for someone to work Miss Cleo's crystal ball, and figure out
    > what your problem is, without you providing a single bit of useful
    > information, such as what your actual IP address is.
    >
    >> think it's because there mite be an open relay in my server. I was
    >> wondering if there's a way to test for this on my server? In general I
    >> was wondering how to test the security of my network on the whole in
    >> case there are other leaks on the network.
    >
    >
    > Your first step is, again, to obtain the reason for the alleged
    > blacklisting. Once you've determined what the reason is, you'll be on
    > your way to investigating the nature of the problem.
    >
    If you have your own mail server and any DNS issue, you can go to
    www.dnsreport.com to test your domain name. 

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  • Next message: Mike Klinke: "Re: mail problem"

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